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________bad weather stops them.A.if B.unless C.until D.since【答案】B【解析】考查連詞詞義辨析。A. if“如果”;B. unless“除非;如果不”;C. until“直到”;D. since“自從;既然”。句意:很多人每天早晨鍛煉 _______ 惡劣的天氣阻攔他們。結(jié)合選項(xiàng)的意思和句意可知,用unless。故選B。25. Laura opened the door and rushed into the rain _______ I could stop her.A.until B.a(chǎn)fter C.before D.unless【答案】C【解析】試題分析:句意:蘿拉打開門,在我能阻止她之前她沖進(jìn)了雨中。A. until直到……; B. after在……之后;C. before在……之前;D. unless除非,rush into沖進(jìn),根據(jù)對(duì)句子的分析,可知在我能夠阻止她之前,她沖進(jìn)了雨中,故選擇C??键c(diǎn):考查介詞的用法。26.The two panies decided to work together ______ they had mon interest.A.because B.unless C.but D.or【答案】A【解析】【詳解】試題分析:句意:這兩家公司決定合作,因?yàn)樗麄冇泄餐睦?。前因后果,后面是表原因的狀語從句,用because連接。; B. unless 除非,表讓步;C. but但是,表轉(zhuǎn)折;D. or或者,表選擇。故選A??键c(diǎn):考查原因狀語從句的連詞 。27.—Tom, you look tired this morning. What’s wrong?—I was so busy that I didn’t go to bed _____ 12 o’clock last night.A.until B.when C.though D.unless【答案】A【解析】本題符合notuntil的結(jié)構(gòu),表示直到才,故選答案為A28.Thefootballfanscheered______theyheardtheexcitingnews.A.eventhough B.inorderthatC.a(chǎn)ssoonas D.a(chǎn)slongas【答案】C【解析】【詳解】句意“足球迷一聽到這個(gè)令人興奮的消息就歡呼起來”。even though盡管(引導(dǎo)讓步狀語從句);in order that為了(引導(dǎo)目的狀語從句);as soon as一……就……(引導(dǎo)時(shí)間狀語從句);as long as只要(引導(dǎo)條件狀語從句)。根據(jù)句意可知,譯為“足球迷一聽到這個(gè)令人興奮的消息就歡呼起來”,引導(dǎo)時(shí)間狀語從句。故選C。29.– Thank you for telling me so much knowledge about nature.–Don’t mention it. ______ you have more questions, e to me any time.A.IfB.BecauseC.Though【答案】A【解析】句意:——謝謝你告訴我這么多關(guān)于自然的知識(shí)?!?jiǎng)e提了。如果你有更多的問題,隨時(shí)找我??疾檫B詞辨析題。本句是條件狀語從句,需用if連接,而because表原因,though表讓步,都可排除。根據(jù)句意結(jié)構(gòu)和語境,可知選A。30.Wedidn39。tcutthecake______Amymadeawish. A.because B.until C.if【答案】B【解析】【詳解】句意:直到艾米許了愿,我們才切蛋糕。A. because因?yàn)?;B. until直到;C. if如果。didn’t是did not的縮寫。not until直到……才。結(jié)合句意可知,答案為B。